Logic And Prolog Database System. Jurnal Teknologi, [S. l.], v. 14, n. 1, p. 41–48, 1989. DOI: 10.11113/jt.v14.999. Disponível em: https://journals.utm.my/jurnalteknologi/article/view/999.. Acesso em: 23 jul. 2024.